Library generation fails due to missing commit #3745
Description
https://github.com/googleapis/sdk-platform-java/actions/runs/14506749204/job/40697464115?pr=3691
git.exc.GitCommandError: Cmd('git') failed due to: exit code(128)
cmdline: git diff --numstat --no-renames --raw 985a0b98f96b47da45882877259265c2fcb31ff5 9af27683a6dc1ca7a6ca82feb08303dd3b1a23f3 --
stderr: 'fatal: You are attempting to fetch 2c9122112925d2184fa8179821b6422893a153e8, which is in the commit graph file but not in the object database.
This is probably due to repo corruption.
If you are attempting to repair this repo corruption by refetching the missing object, use 'git fetch --refetch' with the missing object.
fatal: could not fetch 3ad3a8822f886e99e6822d05647fd2281dcd2236 from promisor remote'
Originally posted by @diegomarquezp in #3691 (comment)